import time

start = time.perf_counter()
for i in range(10000000):
    continue
end = time.perf_counter()
row_select = [1, 2, 3]
data = []
data.extend(row_select)
if len(row_select) < 7:
    data.extend([None for i in range(7 - len(row_select))])
print(data)
print(start - end)
